AD7940 datasheet(4/24 Pages) AD

4 / 24 page

AD7693

Preliminary Technical Data

Rev. PrB | Page 4 of 24

VDD = 4.5 V to 5.5 V, VIO = 2.3 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted.

Table 3.

Parameter

Conditions/Comments

Min

Typ

Max

Unit

REFERENCE

Voltage Range

0.5

VDD + 0.3

Load Current

500 kSPS, REF = 5 V

100

μA

SAMPLING DYNAMICS

−3 dB Input Bandwidth

MHz

Aperture Delay

VDD = 5V

2.5

DIGITAL INPUTS

Logic Levels

VIL

−0.3

+0.3 × VIO

VIH

0.7 × VIO

VIO + 0.3

IIL

−1

μA

IIH

−1

μA

DIGITAL OUTPUTS

Data Format

Serial 16 bits twos

complement

Pipeline Delay1

VOL

ISINK = +500 μA

0.4

VOH

ISOURCE = −500 μA

VIO − 0.3

POWER SUPPLIES

VDD

Specified performance

4. 5

5.5

VIO

Specified performance

2.3

VDD + 0.3

VIO Range

1.8

VDD + 0.3

Standby Current2, 3

VDD and VIO = 5 V, 25°C

Power Dissipation

100 SPS throughput

μW

100 kSPS throughput

500 kSPS throughput

Energy per Conversion

nJ/sample

TEMPERATURE RANGE4

Specified Performance

TMIN to TMAX

−40

+85

°C

1 Conversion results available immediately after completed conversion.

2 With all digital inputs forced to VIO or GND as required.

3 During acquisition phase.

4 Contact an Analog Devices sales representative for extended temperature range.

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